TOYOTA 2012 Avalon - Manual (Page 292)

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3-4. Using the hands-free system (for cellular phone)
■
Steering wheel
Volume
The voice guidance volume
cannot be adjusted by using
this button.
On-hook switch
Turns the hands-free system
off/ends a call/refuses a call
Off-hook switch
Turns the hands-free system
on/starts a call
Talk switch
Turns the voice command sys-
tem on (press)/turns the voice
command system off (press
and hold)
■
Microphone